FIRMWARE DETAILS

iOS 26.4 beta 2

Build: 23E5218eFeb 23, 2026Delta OTA

Beta

View details

Filename: f4ff8314bb624f9d55761ac80e3f614f395e02e414f769e50e1fc991f359006c.aea
File size: 2.48 GB
File type: Delta OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: fc531ff2c9ccc5b6e6fcc5d47e05a21ffd2cf6cd59b118aa52c519d6fa48b0a9
SHA-1: 4f82301ae000d846da210bd40318d9d18149dee4
Required starting builds: 23D5114d
Board restrictions: Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

iPhone Air iPhone18,4

Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:25 PM UTC
Record fingerprint: 24aa88c31b1c88b4a1df602840f8038e